Granitecv713 Posted May 5, 2020 Share Posted May 5, 2020 No low air buzzer or dash light . Where do I start trouble shooting this ? Quote Link to comment Share on other sites More sharing options...
Mack Technician Posted May 5, 2020 Share Posted May 5, 2020 I’d probably take a look at the air sensor in the manifold area, around/ in front of, your feet. Quote Link to comment Share on other sites More sharing options...
Granitecv713 Posted May 5, 2020 Author Share Posted May 5, 2020 Thanks for the input on my issue . I just purchased this truck and found this issue getting it D.O.T ready .my luck ,the one issue you need working . Trying to prevent a trip to NEXTRAN for this issue . Quote Link to comment Share on other sites More sharing options...
Granitecv713 Posted May 7, 2020 Author Share Posted May 7, 2020 (edited) At a loss on this issue ? I have a 2007 Mack Granite CV713 dump with no low air light or alarm working . When I lock axle on dash switch , an alarm sounds in dash (was told it was the same alarm (buzzer) that should sound off for brake .? Also through all the reading about this issue some people are talking about the dash being bad ? Any thoughts ? I do have access to a 2004 model truck that I could possibly change out the dashes if they interchange ? any thoughts or ideas Edited May 7, 2020 by Granitecv713 Quote Link to comment Share on other sites More sharing options...
Granitecv713 Posted May 17, 2020 Author Share Posted May 17, 2020 problem resolved : 2 low air senders on foot valve , 2 wires had been kicked off by a driver and plugged back in wrong . found issue by looking at a separate truck . 1 Quote Link to comment Share on other sites More sharing options...
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